/Engine/Source/Runtime/Slate/Public/Framework/Docking/TabManager.h
Update the native, global menu bar if it is being used for a specific tab managed by the global tab manager.
void UpdateMainMenu ( const [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [SDockTab](API\Runtime\Slate\Widgets\Docking\SDockTab) > & ForTab, bool const bForce )